must
Third Person
must
1
used to show that something is very important and needs to happen
- Students must submit their applications before the deadline.
- Employees must attend the mandatory training session next week.
- Drivers must obey traffic laws to ensure road safety.
- Guests must follow the established dress code for the formal event.
- Participants must complete the survey to provide valuable feedback.
2
used to make a recommendations regarding someone or something
- You must try their homemade ice cream—it's incredible.
- He must read this book; it suits his interests perfectly.
- You must visit Kyoto if you ever go to Japan.
- You must meet my sister—she's wonderful.
- You must check out the view from the top floor.
3
used to express a logical conclusion
- You must be tired after such a long trip.
- That must be the delivery driver at the door.
- He must know about the meeting by now.
- This must be the place we were looking for.
- They must have forgotten to call.